/*
Copyright (C) 1997-2001 Id Software, Inc.

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
/*
==============================================================================

chick

==============================================================================
*/

#include "g_local.h"
#include "m_chick.h"

bool visible(edict_t *self, edict_t *other);

void chick_stand(edict_t *self);
void chick_run(edict_t *self);
void chick_reslash(edict_t *self);
void chick_rerocket(edict_t *self);
void chick_attack1(edict_t *self);

static int  sound_missile_prelaunch;
static int  sound_missile_launch;
static int  sound_melee_swing;
static int  sound_melee_hit;
static int  sound_missile_reload;
static int  sound_death1;
static int  sound_death2;
static int  sound_fall_down;
static int  sound_idle1;
static int  sound_idle2;
static int  sound_pain1;
static int  sound_pain2;
static int  sound_pain3;
static int  sound_sight;
static int  sound_search;

void ChickMoan(edict_t *self)
{
    if (random() < 0.5f)
        gi.sound(self, CHAN_VOICE, sound_idle1, 1, ATTN_IDLE, 0);
    else
        gi.sound(self, CHAN_VOICE, sound_idle2, 1, ATTN_IDLE, 0);
}

static const mframe_t chick_frames_fidget[] = {
    { ai_stand, 0,  NULL },
    { ai_stand, 0,  NULL },
    { ai_stand, 0,  NULL },
    { ai_stand, 0,  NULL },
    { ai_stand, 0,  NULL },
    { ai_stand, 0,  NULL },
    { ai_stand, 0,  NULL },
    { ai_stand, 0,  NULL },
    { ai_stand, 0,  ChickMoan },
    { ai_stand, 0,  NULL },
    { ai_stand, 0,  NULL },
    { ai_stand, 0,  NULL },
    { ai_stand, 0,  NULL },
    { ai_stand, 0,  NULL },
    { ai_stand, 0,  NULL },
    { ai_stand, 0,  NULL },
    { ai_stand, 0,  NULL },
    { ai_stand, 0,  NULL },
    { ai_stand, 0,  NULL },
    { ai_stand, 0,  NULL },
    { ai_stand, 0,  NULL },
    { ai_stand, 0,  NULL },
    { ai_stand, 0,  NULL },
    { ai_stand, 0,  NULL },
    { ai_stand, 0,  NULL },
    { ai_stand, 0,  NULL },
    { ai_stand, 0,  NULL },
    { ai_stand, 0,  NULL },
    { ai_stand, 0,  NULL },
    { ai_stand, 0,  NULL }
};
const mmove_t chick_move_fidget = {FRAME_stand201, FRAME_stand230, chick_frames_fidget, chick_stand};

void chick_fidget(edict_t *self)
{
    if (self->monsterinfo.aiflags & AI_STAND_GROUND)
        return;
    if (random() <= 0.3f)
        self->monsterinfo.currentmove = &chick_move_fidget;
}

static const mframe_t chick_frames_stand[] = {
    { ai_stand, 0, NULL },
    { ai_stand, 0, NULL },
    { ai_stand, 0, NULL },
    { ai_stand, 0, NULL },
    { ai_stand, 0, NULL },
    { ai_stand, 0, NULL },
    { ai_stand, 0, NULL },
    { ai_stand, 0, NULL },
    { ai_stand, 0, NULL },
    { ai_stand, 0, NULL },
    { ai_stand, 0, NULL },
    { ai_stand, 0, NULL },
    { ai_stand, 0, NULL },
    { ai_stand, 0, NULL },
    { ai_stand, 0, NULL },
    { ai_stand, 0, NULL },
    { ai_stand, 0, NULL },
    { ai_stand, 0, NULL },
    { ai_stand, 0, NULL },
    { ai_stand, 0, NULL },
    { ai_stand, 0, NULL },
    { ai_stand, 0, NULL },
    { ai_stand, 0, NULL },
    { ai_stand, 0, NULL },
    { ai_stand, 0, NULL },
    { ai_stand, 0, NULL },
    { ai_stand, 0, NULL },
    { ai_stand, 0, NULL },
    { ai_stand, 0, NULL },
    { ai_stand, 0, chick_fidget },

};
const mmove_t chick_move_stand = {FRAME_stand101, FRAME_stand130, chick_frames_stand, NULL};

void chick_stand(edict_t *self)
{
    self->monsterinfo.currentmove = &chick_move_stand;
}

static const mframe_t chick_frames_start_run[] = {
    { ai_run, 1,  NULL },
    { ai_run, 0,  NULL },
    { ai_run, 0,   NULL },
    { ai_run, -1, NULL },
    { ai_run, -1, NULL },
    { ai_run, 0,  NULL },
    { ai_run, 1,  NULL },
    { ai_run, 3,  NULL },
    { ai_run, 6,   NULL },
    { ai_run, 3,   NULL }
};
const mmove_t chick_move_start_run = {FRAME_walk01, FRAME_walk10, chick_frames_start_run, chick_run};

static const mframe_t chick_frames_run[] = {
    { ai_run, 6,  NULL },
    { ai_run, 8,  NULL },
    { ai_run, 13, NULL },
    { ai_run, 5,  NULL },
    { ai_run, 7,  NULL },
    { ai_run, 4,  NULL },
    { ai_run, 11, NULL },
    { ai_run, 5,  NULL },
    { ai_run, 9,  NULL },
    { ai_run, 7,  NULL }

};

const mmove_t chick_move_run = {FRAME_walk11, FRAME_walk20, chick_frames_run, NULL};

static const mframe_t chick_frames_walk[] = {
    { ai_walk, 6,  NULL },
    { ai_walk, 8,  NULL },
    { ai_walk, 13, NULL },
    { ai_walk, 5,  NULL },
    { ai_walk, 7,  NULL },
    { ai_walk, 4,  NULL },
    { ai_walk, 11, NULL },
    { ai_walk, 5,  NULL },
    { ai_walk, 9,  NULL },
    { ai_walk, 7,  NULL }
};

const mmove_t chick_move_walk = {FRAME_walk11, FRAME_walk20, chick_frames_walk, NULL};

void chick_walk(edict_t *self)
{
    self->monsterinfo.currentmove = &chick_move_walk;
}

void chick_run(edict_t *self)
{
    if (self->monsterinfo.aiflags & AI_STAND_GROUND) {
        self->monsterinfo.currentmove = &chick_move_stand;
        return;
    }

    if (self->monsterinfo.currentmove == &chick_move_walk ||
        self->monsterinfo.currentmove == &chick_move_start_run) {
        self->monsterinfo.currentmove = &chick_move_run;
    } else {
        self->monsterinfo.currentmove = &chick_move_start_run;
    }
}

static const mframe_t chick_frames_pain1[] = {
    { ai_move, 0, NULL },
    { ai_move, 0, NULL },
    { ai_move, 0, NULL },
    { ai_move, 0, NULL },
    { ai_move, 0, NULL }
};
const mmove_t chick_move_pain1 = {FRAME_pain101, FRAME_pain105, chick_frames_pain1, chick_run};

static const mframe_t chick_frames_pain2[] = {
    { ai_move, 0, NULL },
    { ai_move, 0, NULL },
    { ai_move, 0, NULL },
    { ai_move, 0, NULL },
    { ai_move, 0, NULL }
};
const mmove_t chick_move_pain2 = {FRAME_pain201, FRAME_pain205, chick_frames_pain2, chick_run};

static const mframe_t chick_frames_pain3[] = {
    { ai_move, 0,     NULL },
    { ai_move, 0,     NULL },
    { ai_move, -6,    NULL },
    { ai_move, 3,     NULL },
    { ai_move, 11,    NULL },
    { ai_move, 3,     NULL },
    { ai_move, 0,     NULL },
    { ai_move, 0,     NULL },
    { ai_move, 4,     NULL },
    { ai_move, 1,     NULL },
    { ai_move, 0,     NULL },
    { ai_move, -3,    NULL },
    { ai_move, -4,    NULL },
    { ai_move, 5,     NULL },
    { ai_move, 7,     NULL },
    { ai_move, -2,    NULL },
    { ai_move, 3,     NULL },
    { ai_move, -5,    NULL },
    { ai_move, -2,    NULL },
    { ai_move, -8,    NULL },
    { ai_move, 2,     NULL }
};
const mmove_t chick_move_pain3 = {FRAME_pain301, FRAME_pain321, chick_frames_pain3, chick_run};

void chick_pain(edict_t *self, edict_t *other, float kick, int damage)
{
    float   r;

    if (self->health < (self->max_health / 2))
        self->s.skinnum = 1;

    if (level.framenum < self->pain_debounce_framenum)
        return;

    self->pain_debounce_framenum = level.framenum + 3 * BASE_FRAMERATE;

    r = random();
    if (r < 0.33f)
        gi.sound(self, CHAN_VOICE, sound_pain1, 1, ATTN_NORM, 0);
    else if (r < 0.66f)
        gi.sound(self, CHAN_VOICE, sound_pain2, 1, ATTN_NORM, 0);
    else
        gi.sound(self, CHAN_VOICE, sound_pain3, 1, ATTN_NORM, 0);

    if (skill->value == 3)
        return;     // no pain anims in nightmare

    if (damage <= 10)
        self->monsterinfo.currentmove = &chick_move_pain1;
    else if (damage <= 25)
        self->monsterinfo.currentmove = &chick_move_pain2;
    else
        self->monsterinfo.currentmove = &chick_move_pain3;
}

void chick_dead(edict_t *self)
{
    VectorSet(self->mins, -16, -16, 0);
    VectorSet(self->maxs, 16, 16, 16);
    self->movetype = MOVETYPE_TOSS;
    self->svflags |= SVF_DEADMONSTER;
    self->nextthink = 0;
    gi.linkentity(self);
}

static const mframe_t chick_frames_death2[] = {
    { ai_move, -6, NULL },
    { ai_move, 0,  NULL },
    { ai_move, -1,  NULL },
    { ai_move, -5, NULL },
    { ai_move, 0, NULL },
    { ai_move, -1,  NULL },
    { ai_move, -2,  NULL },
    { ai_move, 1,  NULL },
    { ai_move, 10, NULL },
    { ai_move, 2,  NULL },
    { ai_move, 3,  NULL },
    { ai_move, 1,  NULL },
    { ai_move, 2, NULL },
    { ai_move, 0,  NULL },
    { ai_move, 3,  NULL },
    { ai_move, 3,  NULL },
    { ai_move, 1,  NULL },
    { ai_move, -3,  NULL },
    { ai_move, -5, NULL },
    { ai_move, 4, NULL },
    { ai_move, 15, NULL },
    { ai_move, 14, NULL },
    { ai_move, 1, NULL }
};
const mmove_t chick_move_death2 = {FRAME_death201, FRAME_death223, chick_frames_death2, chick_dead};

static const mframe_t chick_frames_death1[] = {
    { ai_move, 0,  NULL },
    { ai_move, 0,  NULL },
    { ai_move, -7, NULL },
    { ai_move, 4,  NULL },
    { ai_move, 11, NULL },
    { ai_move, 0,  NULL },
    { ai_move, 0,  NULL },
    { ai_move, 0,  NULL },
    { ai_move, 0,  NULL },
    { ai_move, 0,  NULL },
    { ai_move, 0,  NULL },
    { ai_move, 0,  NULL }

};
const mmove_t chick_move_death1 = {FRAME_death101, FRAME_death112, chick_frames_death1, chick_dead};

void chick_die(edict_t *self, edict_t *inflictor, edict_t *attacker, int damage, vec3_t point)
{
    int     n;

// check for gib
    if (self->health <= self->gib_health) {
        gi.sound(self, CHAN_VOICE, gi.soundindex("misc/udeath.wav"), 1, ATTN_NORM, 0);
        for (n = 0; n < 2; n++)
            ThrowGib(self, "models/objects/gibs/bone/tris.md2", damage, GIB_ORGANIC);
        for (n = 0; n < 4; n++)
            ThrowGib(self, "models/objects/gibs/sm_meat/tris.md2", damage, GIB_ORGANIC);
        ThrowHead(self, "models/objects/gibs/head2/tris.md2", damage, GIB_ORGANIC);
        self->deadflag = DEAD_DEAD;
        return;
    }

    if (self->deadflag == DEAD_DEAD)
        return;

// regular death
    self->deadflag = DEAD_DEAD;
    self->takedamage = DAMAGE_YES;

    n = Q_rand() % 2;
    if (n == 0) {
        self->monsterinfo.currentmove = &chick_move_death1;
        gi.sound(self, CHAN_VOICE, sound_death1, 1, ATTN_NORM, 0);
    } else {
        self->monsterinfo.currentmove = &chick_move_death2;
        gi.sound(self, CHAN_VOICE, sound_death2, 1, ATTN_NORM, 0);
    }
}

void chick_duck_down(edict_t *self)
{
    if (self->monsterinfo.aiflags & AI_DUCKED)
        return;
    self->monsterinfo.aiflags |= AI_DUCKED;
    self->maxs[2] -= 32;
    self->takedamage = DAMAGE_YES;
    self->monsterinfo.pause_framenum = level.framenum + 1 * BASE_FRAMERATE;
    gi.linkentity(self);
}

void chick_duck_hold(edict_t *self)
{
    if (level.framenum >= self->monsterinfo.pause_framenum)
        self->monsterinfo.aiflags &= ~AI_HOLD_FRAME;
    else
        self->monsterinfo.aiflags |= AI_HOLD_FRAME;
}

void chick_duck_up(edict_t *self)
{
    self->monsterinfo.aiflags &= ~AI_DUCKED;
    self->maxs[2] += 32;
    self->takedamage = DAMAGE_AIM;
    gi.linkentity(self);
}

static const mframe_t chick_frames_duck[] = {
    { ai_move, 0, chick_duck_down },
    { ai_move, 1, NULL },
    { ai_move, 4, chick_duck_hold },
    { ai_move, -4,  NULL },
    { ai_move, -5,  chick_duck_up },
    { ai_move, 3, NULL },
    { ai_move, 1,  NULL }
};
const mmove_t chick_move_duck = {FRAME_duck01, FRAME_duck07, chick_frames_duck, chick_run};

void chick_dodge(edict_t *self, edict_t *attacker, float eta)
{
    if (random() > 0.25f)
        return;

    if (!self->enemy)
        self->enemy = attacker;

    self->monsterinfo.currentmove = &chick_move_duck;
}

void ChickSlash(edict_t *self)
{
    vec3_t  aim;

    VectorSet(aim, MELEE_DISTANCE, self->mins[0], 10);
    gi.sound(self, CHAN_WEAPON, sound_melee_swing, 1, ATTN_NORM, 0);
    fire_hit(self, aim, (10 + (Q_rand() % 6)), 100);
}

void ChickRocket(edict_t *self)
{
    vec3_t  forward, right;
    vec3_t  start;
    vec3_t  dir;
    vec3_t  vec;

    AngleVectors(self->s.angles, forward, right, NULL);
    G_ProjectSource(self->s.origin, monster_flash_offset[MZ2_CHICK_ROCKET_1], forward, right, start);

    VectorCopy(self->enemy->s.origin, vec);
    vec[2] += self->enemy->viewheight;
    VectorSubtract(vec, start, dir);
    VectorNormalize(dir);

    monster_fire_rocket(self, start, dir, 50, 500, MZ2_CHICK_ROCKET_1);
}

void Chick_PreAttack1(edict_t *self)
{
    gi.sound(self, CHAN_VOICE, sound_missile_prelaunch, 1, ATTN_NORM, 0);
}

void ChickReload(edict_t *self)
{
    gi.sound(self, CHAN_VOICE, sound_missile_reload, 1, ATTN_NORM, 0);
}

static const mframe_t chick_frames_start_attack1[] = {
    { ai_charge, 0,   Chick_PreAttack1 },
    { ai_charge, 0,   NULL },
    { ai_charge, 0,   NULL },
    { ai_charge, 4,   NULL },
    { ai_charge, 0,   NULL },
    { ai_charge, -3,  NULL },
    { ai_charge, 3,   NULL },
    { ai_charge, 5,   NULL },
    { ai_charge, 7,   NULL },
    { ai_charge, 0,   NULL },
    { ai_charge, 0,   NULL },
    { ai_charge, 0,   NULL },
    { ai_charge, 0,   chick_attack1 }
};
const mmove_t chick_move_start_attack1 = {FRAME_attak101, FRAME_attak113, chick_frames_start_attack1, NULL};

static const mframe_t chick_frames_attack1[] = {
    { ai_charge, 19,  ChickRocket },
    { ai_charge, -6,  NULL },
    { ai_charge, -5,  NULL },
    { ai_charge, -2,  NULL },
    { ai_charge, -7,  NULL },
    { ai_charge, 0,   NULL },
    { ai_charge, 1,   NULL },
    { ai_charge, 10,  ChickReload },
    { ai_charge, 4,   NULL },
    { ai_charge, 5,   NULL },
    { ai_charge, 6,   NULL },
    { ai_charge, 6,   NULL },
    { ai_charge, 4,   NULL },
    { ai_charge, 3,   chick_rerocket }

};
const mmove_t chick_move_attack1 = {FRAME_attak114, FRAME_attak127, chick_frames_attack1, NULL};

static const mframe_t chick_frames_end_attack1[] = {
    { ai_charge, -3,  NULL },
    { ai_charge, 0,   NULL },
    { ai_charge, -6,  NULL },
    { ai_charge, -4,  NULL },
    { ai_charge, -2,  NULL }
};
const mmove_t chick_move_end_attack1 = {FRAME_attak128, FRAME_attak132, chick_frames_end_attack1, chick_run};

void chick_rerocket(edict_t *self)
{
    if (self->enemy->health > 0) {
        if (range(self, self->enemy) > RANGE_MELEE)
            if (visible(self, self->enemy))
                if (random() <= 0.6f) {
                    self->monsterinfo.currentmove = &chick_move_attack1;
                    return;
                }
    }
    self->monsterinfo.currentmove = &chick_move_end_attack1;
}

void chick_attack1(edict_t *self)
{
    self->monsterinfo.currentmove = &chick_move_attack1;
}

static const mframe_t chick_frames_slash[] = {
    { ai_charge, 1,   NULL },
    { ai_charge, 7,   ChickSlash },
    { ai_charge, -7,  NULL },
    { ai_charge, 1,   NULL },
    { ai_charge, -1,  NULL },
    { ai_charge, 1,   NULL },
    { ai_charge, 0,   NULL },
    { ai_charge, 1,   NULL },
    { ai_charge, -2,  chick_reslash }
};
const mmove_t chick_move_slash = {FRAME_attak204, FRAME_attak212, chick_frames_slash, NULL};

static const mframe_t chick_frames_end_slash[] = {
    { ai_charge, -6,  NULL },
    { ai_charge, -1,  NULL },
    { ai_charge, -6,  NULL },
    { ai_charge, 0,   NULL }
};
const mmove_t chick_move_end_slash = {FRAME_attak213, FRAME_attak216, chick_frames_end_slash, chick_run};

void chick_reslash(edict_t *self)
{
    if (self->enemy->health > 0) {
        if (range(self, self->enemy) == RANGE_MELEE) {
            if (random() <= 0.9f) {
                self->monsterinfo.currentmove = &chick_move_slash;
                return;
            } else {
                self->monsterinfo.currentmove = &chick_move_end_slash;
                return;
            }
        }
    }
    self->monsterinfo.currentmove = &chick_move_end_slash;
}

void chick_slash(edict_t *self)
{
    self->monsterinfo.currentmove = &chick_move_slash;
}

static const mframe_t chick_frames_start_slash[] = {
    { ai_charge, 1,   NULL },
    { ai_charge, 8,   NULL },
    { ai_charge, 3,   NULL }
};
const mmove_t chick_move_start_slash = {FRAME_attak201, FRAME_attak203, chick_frames_start_slash, chick_slash};

void chick_melee(edict_t *self)
{
    self->monsterinfo.currentmove = &chick_move_start_slash;
}

void chick_attack(edict_t *self)
{
    self->monsterinfo.currentmove = &chick_move_start_attack1;
}

void chick_sight(edict_t *self, edict_t *other)
{
    gi.sound(self, CHAN_VOICE, sound_sight, 1, ATTN_NORM, 0);
}

/*QUAKED monster_chick (1 .5 0) (-16 -16 -24) (16 16 32) Ambush Trigger_Spawn Sight
*/
void SP_monster_chick(edict_t *self)
{
    if (deathmatch->value) {
        G_FreeEdict(self);
        return;
    }

    sound_missile_prelaunch = gi.soundindex("chick/chkatck1.wav");
    sound_missile_launch    = gi.soundindex("chick/chkatck2.wav");
    sound_melee_swing       = gi.soundindex("chick/chkatck3.wav");
    sound_melee_hit         = gi.soundindex("chick/chkatck4.wav");
    sound_missile_reload    = gi.soundindex("chick/chkatck5.wav");
    sound_death1            = gi.soundindex("chick/chkdeth1.wav");
    sound_death2            = gi.soundindex("chick/chkdeth2.wav");
    sound_fall_down         = gi.soundindex("chick/chkfall1.wav");
    sound_idle1             = gi.soundindex("chick/chkidle1.wav");
    sound_idle2             = gi.soundindex("chick/chkidle2.wav");
    sound_pain1             = gi.soundindex("chick/chkpain1.wav");
    sound_pain2             = gi.soundindex("chick/chkpain2.wav");
    sound_pain3             = gi.soundindex("chick/chkpain3.wav");
    sound_sight             = gi.soundindex("chick/chksght1.wav");
    sound_search            = gi.soundindex("chick/chksrch1.wav");

    self->movetype = MOVETYPE_STEP;
    self->solid = SOLID_BBOX;
    self->s.modelindex = gi.modelindex("models/monsters/bitch/tris.md2");
    VectorSet(self->mins, -16, -16, 0);
    VectorSet(self->maxs, 16, 16, 56);

    self->health = 175;
    self->gib_health = -70;
    self->mass = 200;

    self->pain = chick_pain;
    self->die = chick_die;

    self->monsterinfo.stand = chick_stand;
    self->monsterinfo.walk = chick_walk;
    self->monsterinfo.run = chick_run;
    self->monsterinfo.dodge = chick_dodge;
    self->monsterinfo.attack = chick_attack;
    self->monsterinfo.melee = chick_melee;
    self->monsterinfo.sight = chick_sight;

    gi.linkentity(self);

    self->monsterinfo.currentmove = &chick_move_stand;
    self->monsterinfo.scale = MODEL_SCALE;

    walkmonster_start(self);
}
